2. 医学
  3. Flight simulator refers to any electronic or mechanical system for training airplane and spacecraft pilots by simulating flight

Flight simulator refers to any electronic or mechanical system for training airplane and spacecraft pilots by simulating flight

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问题     Flight simulator refers to any electronic or mechanical system for training airplane and spacecraft pilots by simulating flight conditions. The purpose of simulation is not to completely substitute【C1】______actual flight training but to thoroughly familiarize students with the vehicle【C2】______before they undergo extensive and possibly dangerous actual flight training.
    Two early flight simulators appeared in England within a decade after the first flight of Orville and Wilbur Wright. They were designed to enable pilots to【C3】______simple aircraft maneuvers in three dimensions: nose up or down; left wing high and right low, or vice versa; and yawing to left or right. Until 1929, however, a truly effective simulator, the Link Trainer devised by Edwin A. Link, a self-educated aviator and inventor, appeared.【C4】______, airplane instrumentation had been developed sufficiently to permit " blind" flying on instruments alone, but training pilots to do so involved【C5】______risk. Link built a model of an airplane cockpit equipped【C6】______instrument panel and controls that could simulate all the movements of an airplane. Pilots could use the device for instrument training, manipulating the controls【C7】______instrument readings so as to maintain straight and level flight or controlled climb or descent with no visual reference【C8】______any horizon except for the artificial one on the instrument panel. The trainer was modified【C9】______aircraft technology advanced. Commercial airlines began to use the Link Trainer for pilot training, and the U. S. government began purchasing them in 1934,【C10】______thousands more as World War II approached.
【C3】
选项 A、imitate
B、simulate
C、impersonate
D、copy
答案B
解析 simulate模拟。imitate模仿(某人的行为)。impersonate冒充。copy复制。故根据题中意义选B项。
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